1. 18.05.2011Matthias Bergholz DESY Zeuthen 1 Mpix Sensors

2. 25. März 2011 121110987654123 12 1 Pixel 32…1 8 Line 1 N S E W

3. 18.05.2011Matthias Bergholz DESY Zeuthen 3 Measurements C/V and I/V bias ring C int, R int I/V and C/V pixel R bias, R PT

4. Measured sensors -> Sensors had no ceramic support and was send back to CERN (setup up for glued sensors is under construction ) 18.05.2011 Matthias Bergholz DESY Zeuthen 4 CintCVbiasRintIVBiasRbiasItotalCtotal FZ120N-05-Mpix-1XXOXfor Rpolyxx FZ120Y-010-Mpix-2XXOXfor Rpolyxx FZ200N-06-Mpix-2XXOXfor Rpolyxx FZ200P-03-Mpix-1XXOXfor Rpoly FZ200Y-03-Mpix-1XXOXfor Rpoly FZ200Y-03-Mpix-2XXOXfor Rpolyxx FZ320N-03-Mpix-2XXOXfor Rpolyxx FZ320Y-06-Mpix-1XXOXfor Rpolyxx FZ320P-02-Mpix-2XXOXfor Rpoly O measured but only information that Rint<<Rbias

5. 18.05.2011 Bias Ring I/V 5Matthias Bergholz DESY Zeuthen

6. 18.05.2011Matthias Bergholz DESY Zeuthen 6 Depletion Voltage from Bias ring C/V

7. 18.05.2011Matthias Bergholz DESY Zeuthen 7 C int even numbers = poly silicon odd numbers = punch through regions 1-6 pixel length = 2421mm regions 7-12 pixel length = 1171mm

8. 18.05.2011Matthias Bergholz DESY Zeuthen 8 R Bias for poly silicon

9. 18.05.2011Matthias Bergholz DESY Zeuthen 9 I/V Pixel

10. 18.05.2011Matthias Bergholz DESY Zeuthen 10 C/V Pixel

11. R int 18.05.2011 BP A Bias Ring Guard Ring DC-PADs V DC RbRb RbRb R int I b >> I int Matthias Bergholz DESY Zeuthen 11 BP A Bias Ring Guard Ring DC-PADs A H H

12. |U DC = 500V| BP Bias ring R PT U A R punch R PT RURU RIRI =10 6 …10 9  =2*10 7  Matthias Bergholz DESY Zeuthen 1218.05.2011 -> Electrometer and current source is needed  Robert Eber, KIT

13. Open Points Switching matrix is in preparation Setup up for glued sensors is planed by an engineer Alibava read out electronic arrived Zeuthen and first tests were done, now we have to do the final construction (thanks to Karlsruhe & Hamburg for discussions) 18.05.2011Matthias Bergholz DESY Zeuthen 13

14. Appendix

15. Measurement setup -1 Pixel I/V and C/V Bias Adapter LCR Meter BP Guard Ring L H Bias Ring A DC-PADs BP Guard Ring

16. Measurement setup -2 R bias and C int V DC Sample Chuck BP Bias Ring A DC-PAD Guard Ring LCR Meter BP A Bias Ring H L Guard Ring